
2-2
MAINTENANCE
.
3.0
Safe Handling of CMOS and LDMOS
Complementary metal-oxide semiconductor (CMOS) devices are used in this family of radios.
CMOS characteristics make them susceptible to damage by electrostatic or high voltage
charges. Damage can be latent, resulting in failures occurring weeks or months later. Therefore,
special precautions must be taken to prevent device damage during disassembly,
troubleshooting, and repair.
Handling precautions are mandatory for CMOS circuits and are especially important in low
humidity conditions. DO NOT attempt to disassemble the radio without first referring to the CMOS
CAUTION paragraph in the Disassembly and Reassembly section of the manual.
4.0
General Repair Procedures and Techniques
Any rework or repair on Environmentally Preferred Products must be done using the appropriate
lead-free solder wire as stated in the following table:
NOTE
Always use a fresh supply of alcohol and a clean container to prevent contamination by
dissolved material (from previous usage).
NOTE
Environmentally Preferred Products (EPP) (refer to the marking on the printed circuit
boards — examples shown below) were developed and assembled using environmen-
tally preferred components and solder assembly techniques to comply with the
European Union’s
Restriction of Hazardous Substances (ROHS) Directive 2002/95/
EC
and
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC
.
To maintain product compliance and reliability, use only the Motorola specified parts in
this manual..
Table 2-1
Lead Free Solder Wire Part Number List
Motorola
Part Number
Alloy
Flux Type
Flux Content
by Weight
Melting
Point
Supplier Part
number
Diameter
Weight
1088929Y01
95.5Sn/3.8Ag/0.7Cu
RMA Version
2.7-3.2%
217C
52171
0.015”
1lb spool
1088929Y02
95.5Sn/3.8Ag/0.7Cu
RMA Version
2.7-3.2%
217C
52170
0.010”
0.5lb spool
1088929Y03
95.5Sn/3.8Ag/0.7Cu
RMA Version
2.7-3.2%
217C
52173
0.032”
1lb spool
Table 2-2
Lead Free Solder Paste Part Number List
Motorola Part
Number
Manufacturer Part
Number
Viscosity
Type
Composition & Percent Metal
Liquid
Temperature
10-856-74C03
NC-SMQ230
900-1000KCPs
Brookfield (5rpm)
Type 3
(-325/+500)
95.5%Sn-3.8%Ag-0.7%Cu
89.93%
217°C
Содержание 6864115B62-C
Страница 1: ...Professional Radio GM Series Detailed Service Manual 6864115B62 C ...
Страница 2: ...ii ...
Страница 4: ...iv ...
Страница 5: ...Professional Radio GM Series Service Maintainability Issue July 2007 ...
Страница 8: ...ii ...
Страница 22: ...2 10 MAINTENANCE ...
Страница 25: ...Professional Radio GM Series Controlhead Service Information Issue July 2007 ...
Страница 77: ...Professional Radio GM Series Controller Service Information Issue May 2007 ...
Страница 100: ...2 2 TROUBLESHOOTING CHARTS ...
Страница 104: ...3 4 Controller schematics parts list ...
Страница 154: ...3 52 Controller T12 Schematic Diagrams ...
Страница 155: ...Professional Radio GM Series VHF 136 174MHz Service Information Issue May 2007 ...
Страница 164: ...1 6 MODEL CHART AND TECHNICAL SPECIFICATIONS ...
Страница 176: ...2 12 THEORY OF OPERATION ...
Страница 186: ...3 10 TROUBLESHOOTING CHARTS ...
Страница 190: ...4 4 VHF PCB SCHEMATICS PARTS LISTS ...
Страница 252: ...4 66 VHF 1 25W PCB 8471235L02 Schematics VHF 136 174 MHz IF ...
Страница 256: ...4 70 VHF 1 25W PCB 8471235L02 Schematics ...
Страница 257: ...Professional Radio GM Series UHF 403 470MHz Service Information Issue May 2007 ...
Страница 266: ...1 6 MODEL CHART AND TECHNICAL SPECIFICATIONS ...
Страница 349: ...Professional Radio GM Series LB1 29 6 36 0MHz LB2 36 0 42 0MHz LB3 42 0 50 0MHz Service Information Issue May 2007 ...
Страница 366: ...2 12 THEORY OF OPERATION ...
Страница 372: ...3 6 Low Band TROUBLESHOOTING CHARTS ...
Страница 376: ...4 4 Low band pcb schematics parts lists ...